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Pruning of hydrangeas: all the tips onhow to prune hydrangeas,from the ideal period to advice on the right fertilization to obtain abundant blooms.
Introduction: thepruning of hydrangeasclassic, to be clear, those that have ball flowers as shown in the photo above (Hydrangea macrophylla), is a very delicate operation that could compromise or favor subsequent flowering.
Fertilize the hydrangea
At the end of February, finish the winter work with oneorganic fertilization. Forfertilize hydrangeayou just need to lightly bury (with a dig or a superficial hoeing) some manure or mature manure at a dosage of 3-4 kg per square meter.
When to prune hydrangea?
Therepruning of hydrangeasit is performed between the end of winter and the beginning of spring, according to the climatic trend. In general we can say that those who live in Southern Italy and in the mild areas, will be ableprune the hydrangeaalready in February. Those who live in northern Italy will have to wait until March.
How to prune hydrangea
ThehydrangeasHydrangea macrophyllathey are pruned between February and March. With thehydrangea pruningit is necessary to completely eliminate all weak branches, dry branches and malformed ones. Furthermore, even the branches that are growing in the wrong direction (towards the inside of the shrub) must be cut, the dried inflorescences must also be pruned by cutting the penultimate pair of buds above. In summary, here are the branches to be cut:
- Weak branches, dead branches, broken branches and malformed branches
- Branches that are growing facing the inside of the shrub
- All dried inflorescences
In thehydrangeascultivated for at least 5-6 years, they must be eliminated to the extent of about one third, all the oldest stems by cutting them at the level of the stump or a little higher. This operation is necessary to thin out the bush, so that more light and air can circulate inside. Thanks to this thinning it will be possible to protect the plant from parasitic attacks and stimulate it to emit new branches that will bloom in the following years.
It is precisely on the new branches that the subsequent inflorescences will develop, which is why thehydrangea pruningleaves unchanged the "young" branches (grown the previous year) and the branches that bear the terminal bud that will give rise to a flower.
More information on the cultivation and care ofhydrangea are available on the pages:
- Diseases of hydrangea, prevention and treatment
- How hydrangeas are grown
- How to protect hydrangeas from the cold
- How to plant hydrangeas